申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
KUCHUK, FIKRI JOHN;HIRON, STEPHANE;THEUVENY, BERTRAND;FITZPATRICK, ANTHONY J.;FILAS, JAMES G.;STAROSTIN, ALEXANDER;SPESIVTSEV, PAVEL EVGENIEVICH |